Cheapest · Used 2021 Audi S6
Rank #1 / 13 listings
Cheapest Used 2021 Audi S6 for Sale in the US
The cheapest used 2021 Audi S6 in the US today costs $30,992 — a 2021 Quattro Premium Plus located in Brookfield, CT. We track 13 active listings; the median price is $36,999, so the top deal is $6,007 under the median.
Browse by model year
cheapest per year- All years
- 2025 · from $57,914
- 2024 · from $59,799
- 2023 · from $50,413
- 2022 · from $38,888
- 2021 · from $30,992
- 2020 · from $30,480
- 2018 · from $21,499
- 2017 · from $14,995
- 2016 · from $14,275
- 2015 · from $15,000
- 2014 · from $10,496
- 2013 · from $14,392
- 2010 · from $19,000
- 2008 · from $11,995
- 2007 · from $2,989
- 2002 · from $14,995
Top 10 cheapest listings
ranked by price-
$30,9922021 Audi S6 Quattro Premium Plus68,344 mi · Brookfield, CT · Blasius MitsubishiView listing → -
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$33,9982021 Audi S6 Quattro Prestige88,208 mi · West Palm Beach, FL · AutoNation Cadillac West Palm BeachView listing → -
$35,0502021 Audi S6 Quattro Premium Plus58,447 mi · Bethesda, MD · Ourisman Kia of BethesdaView listing → -
$35,9992021 Audi S6 Quattro Premium Plus68,250 mi · Plantsville, CT · Auto House of LuxuryView listing → -
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$38,0002021 Audi S6 Quattro Premium Plus54,633 mi · Seaside, CA · Audi Monterey PeninsulaView listing → -
Deals on the map
10 pinnedFAQ
How much does the cheapest used 2021 Audi S6 cost?
$30,992 — a 2021 Quattro Premium Plus in Brookfield, CT (as of 2026-07-19).
What is the median price of a used 2021 Audi S6?
$36,999 across 13 US dealer active listings.
How often are prices updated?
Listings and prices refresh continuously; this page is re-generated at least twice a day.
Explore more
Prices updated 2026-07-19. Data covers active dealer listings across the USA.